Arkansas HWY 59 over James W Trimble Lock&dam
FairSebastian County, Arkansas · 3 Mi. E of Ft. Smith · Structure no. AHTD00000005897
- Built
- 1979
- 46 years old
- Condition
- Fair
- inspected August 2022
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 3,916 ft
- 17 main spans
- Daily traffic
- 7,800
- 2022 count
- Owner
- Federal
- Corps of Engineers (Civil)
About this bridge
Arkansas HWY 59 over James W Trimble Lock&dam is a prestressed concrete stringer/multi-beam or girder carrying Arkansas HWY 59 over James W Trimble Lock&dam in Sebastian County, Arkansas. It was built in 1979, so it is 46 years old, older than the Arkansas average of 45.1 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 7,800 vehicles a day, roughly 10% of them trucks, projected to reach 15,890 by 2039. The structure is 3,916 ft (1,193.5 m) long and 32 ft wide. If it were closed, the detour would be 23 mi (37 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 9 Excellent | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Arkansas HWY 59 over James W Trimble Lock&dam built?
It was built in 1979, making it 46 years old in 2025.
What condition is Arkansas HWY 59 over James W Trimble Lock&dam in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in August 2022.
How much traffic does Arkansas HWY 59 over James W Trimble Lock&dam carry?
About 7,800 vehicles per day (2022 count), of which roughly 10% are trucks.
How long is Arkansas HWY 59 over James W Trimble Lock&dam?
The structure is 3,916 ft (1,193.5 m) long with a longest span of 160 ft (48.7 m) and a deck 32 ft wide.
Who owns Arkansas HWY 59 over James W Trimble Lock&dam?
It is owned by the Corps of Engineers (Civil) and maintained by the State Highway Agency.